37 Fla. Stat §627.6131(6)

(6) If a health insurer determines that it has made an overpayment to a provider for services rendered to an insured, the health insurer must make a claim for such overpayment to the provider’s designated location. A health insurer that makes a claim for overpayment to a provider under this section shall give the provider a written or electronic statement specifying the basis for the retroactive denial or payment adjustment. The insurer must identify the claim or claims, or overpayment claim portion thereof, for which a claim for overpayment is submitted.